Collybia tenues group Pileus hemispheric, 3 cm, hygrophanous, disc decorated with pyramidal ochraceous tufts of hairs, margin striate smooth, disc light salmon, margin russet; gills subdistant, adnate, broad, white; stipe floccose light ochraceous salmon, becoming russet when handled, 3.5 cm x 5-7 mm, tapering upward SanJosé, Guayabillos, 2200 m., Dodge & Goerger 7-11-36 Specimens examined: Costa Rica, Cartago, Pejivalle, alt. 650-850, Dodge & Thomas Alt. 447